Poros Building Drain line north central. East of Wall 7 before tile removed. Looking west ... AMS Horizontal (normal)
Looking northeast. Showing stones of rubble wall before removal (one bench at west removed earlier) ... AMS Horizontal (normal)
Looking east. Showing stones of rubble wall before removal (one bench at west removed earlier) ... AMS Horizontal (normal)
F6 Area looking south, showing upper stone built drain passing under wall at east and slab of Poros Building Drain at right ... AMS Horizontal (normal)